Constructed using a reinforced concrete masonry stem steel reinforcement grouted into hollow concrete blockwork which is built on a reinforced concrete footing.
Reinforced concrete retaining wall design pdf.
However retaining wallscanalsobeconstructed for aesthetic landscaping purposes.
Determine the factors of safety against sliding and overturning.
Design for earth loads retaining walls which set out a design.
Coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1.
Types of retaining walls tieback wall tieback is a horizontal wire or rod or a helical anchor use to reinforce retaining wall for stability one end of the tieback is secured to the wall while the other end is anchored to a stable structure i e.
Soil mechanics simplified 4.
Masonry cantilever retaining walls design and construction guide ma51 available from the concrete masonry association of australia.
Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used.
F c 3000 psi fy 60 ksi o development of structural design equations.
Gravity wall masonry or plain concrete cantilever retaining wall rcc.
Reinforced concrete cantilever retaining wall analysis and design aci 318 14 reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.
The wall can be either cast insitu figure 6 or precast figure 7.
Two equations are developed in this.
The design of reinforced concrete cantilever retaining walls shall be as stated herein.
Calculate ground bearing pressures.
Design procedure overview 3.
Earthquake seismic design 7.
Ce 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
Design the wall and base reinforcement assuming fcu 35 knm 2 f y 500 knm 2 and the cover to reinforcement in the wall and base are respectively 35.
Strength reduced from 136 7 to 114 9 in kips.
Concrete deadman driven into the ground or anchored into the earth with sufficient resistance.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Design and detailing of retaining walls.
The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
In this example the structural design of the three retaining wall components is performed by hand.
3 gravity retaining wall gl1 gl2 retaining walls are usually built to hold back soil mass.
Soil bearing and stability 8.
Building codes and retaining walls 5.
These revisions are presented in final bdm format for simplicity.
Forces on retaining walls 6.
In 1990 the concrete masonry association of australia cmaa published masonry walling guide no 4.
8 1 3 general design considerations the design of semi gravity reinforced concrete cantilever retaining walls shall be in accordance with the.